Android 19 is able to absorb a substantial amount of energy until Vegeta rips his arms off. The Android then runs away in fear, and Vegeta blasts him with a Big Bang Attack, which destroys him easily.

How do the Androids die?

Originally posted by myhr2: There are two components to androids, their body, and their save, aka, their mind, so to speak. An android permanantly dies when the save is lost, but they do back-up saves from time to time, and those are stored in the Bunker server.

Who defeated Android 16?

Android 16 battled Cell but was defeated. At the Cell Games, 16 interfered with Gohan and Cell’s battle, and was subsequently destroyed. All that was left of him was his head. Android 16 was still able to communicate with the Z-Warriors, but this ended once Cell stepped on his head, killing him instantly.